子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 141 | Control valve | US510864 | 1974-09-30 | US4027694A | 1977-06-07 | Alan George Butcher |
| A fluid control valve of the pilot operated kind has a main valve comprising a valve seat and valve member. The valve member is moved by piston action in response to fluid pressure in a control chamber. The control chamber may be coupled to the upstream pressure or the downstream pressure to close or open the valve respectively. When the valve is open there is a bleed of fluid through the control chamber via inlet and outlet passages from the upstream side and to the downstream side of the valve respectively. An auxiliary valve is situated in the downstream passage and effects control of the main valve. The auxiliary valve may be an on/off valve or a continuously controllable valve whereby the operating position of the main valve member may be controlled at an intermediate position automatically to limit flow rate. | ||||||
| 142 | Equalizing means for well safety valves | US24967872 | 1972-05-01 | US3799204A | 1974-03-26 | WATKINS F; DIETZ W |
| Equalizing means are provided for reducing the pressure differential across the seat of a well safety valve when opening the valve to avoid damage to the valve element and seat. A passageway communicates with a point below the valve seat to a point above the valve seat and includes an equalizing valve which is closed when the valve is closed and opens prior to the opening of the safety valve. The pressure in the passageway downstream of the equalizing valve acting on the valve in a direction to keep the safety valve closed. A restriction in the passageway upstream of the equalizing valve dampens the speed of opening the well safety valve.
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| 143 | Pneumatic fuse | US3621873D | 1969-07-08 | US3621873A | 1971-11-23 | KENANN JOHN G; DETARANTO JOSEPH JR |
| The open position of this pneumatic fuse valve is adjustable to change the rate of fluid flow at which the valve closes. The valve has static pressure balance when opened regardless of the pressure in the pipeline and even though the valve has a connection with the space surrounding the outside of its housing for inserting a means for overriding the actuator. This pressure balance permits adjustment of the valve when there is fluid pressure in the line and it permits the valve to be closed by a small force. A bleed connection equalizes pressure on both sides of the valve to permit it to open after the high rate of fluid flow that closed it has been shut off.
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| 144 | Valve with force apparatus to oppose an applied suction force | US3491794D | 1968-02-09 | US3491794A | 1970-01-27 | GARNER EDWARD VERNON |
| 145 | Flow control valves | US25629063 | 1963-02-05 | US3156262A | 1964-11-10 | GUSTAV ATTEBO KURT ANDERS |
| 146 | Valve with pressure balancing diaphragms | US86109259 | 1959-12-21 | US3003743A | 1961-10-10 | KLAUS SATTLER |
| 147 | Valve | US83475659 | 1959-08-19 | US2970612A | 1961-02-07 | LORNITZO FRANK C |
| 148 | Balanced valve | US49081055 | 1955-02-28 | US2863473A | 1958-12-09 | GANTZ JACK L |
| 149 | Flow control valve | US37665953 | 1953-08-26 | US2832371A | 1958-04-29 | LA BOUR HARRY E |
| 150 | Valve mechanism | US6502348 | 1948-12-13 | US2682386A | 1954-06-29 | LINDSAY LYNN G |
| 151 | Fluid valve | US22388651 | 1951-05-01 | US2639884A | 1953-05-26 | MITCHELL WALLACE F |
| 152 | Valve mechanism | US18147550 | 1950-08-25 | US2632461A | 1953-03-24 | LINDSAY LYNN G |
| 153 | Production of light sensitive photographic material | US32357640 | 1940-03-12 | US2365416A | 1944-12-19 | WALTHER KUHNE |
| 154 | Shutoff valve and the like | US27801939 | 1939-06-08 | US2211318A | 1940-08-13 | CAMEROTA LOUIS A |
| 155 | DOUBLE ACTION DIRECTIONAL FLUID FLOW VALVE | PCT/US2008075445 | 2008-09-05 | WO2009035926A3 | 2010-07-22 | JOHNSON JOHN LESLIE; JOHNSON JAMES G |
| A double action directional fluid flow valve includes a stepped piston connected with a poppet valve and moveable by a controller between open and closed positions by applying a continuous pressure to a small diameter piston face and selectively applying and removing pressure from a large diameter piston face to move the poppet valve between an open position and a closed position. | ||||||
| 156 | VALVE SHUTTER AND VALVE INCLUDING SAID SHUTTER | EP16744861.2 | 2016-06-22 | EP3314151A1 | 2018-05-02 | MARCANTONIO, Vincenzo |
| Valve shutter (1) comprising a main portion (2) made of a non-deformable material and a secondary portion (3) made of a deformable and resilient material as to be able to deform progressively in the transition between the open configuration and the closed configuration of a valve (100), and vice versa. The secondary portion (3) includes at least an inner chamber (6) enclosed between the main portion (2) and the secondary portion (3), having at least a through hole (7) suitable for putting the inner chamber (6) in fluid communication with a chamber (102) of a valve body (101) of the valve (100). The inner chamber (6) is configured to be progressively filled, at least partially, by a fluid during the transition between the closed configuration and the open configuration, and to be progressively emptied during the transition between the open configuration and the closed configuration. | ||||||
| 157 | SOLENOID VALVE HAVING A TWO PIECE MOVING VALVE ELEMENT | EP07711365.2 | 2007-01-22 | EP2115336B1 | 2011-02-23 | SCUDAMORE, Gerald; BARNISH, Cain; ELLISON, Paul |
| A system and method for operating a solenoid valve is disclosed. The solenoid valve is operated by moving a first valve element (4) with respect to a second valve element (6, 7) a first distance. And then pulling the second valve element (6, 7) with the first valve element (4) a second distance where the second valve element (6, 7) moves against resistance from a seal (8) and where the movement of the second valve element (6, 7) opens a gap with respect to an orifice (10). The second element (6, 7) then moves a third distance under spring load to open an increased gap with respect to the orifice (10). | ||||||
| 158 | Kraftausgeglichenes Ventil | EP93104028.1 | 1993-03-12 | EP0561294A1 | 1993-09-22 | Beben, Marius; Hansson, Claus; Melzer, Frank; Raudzus, Uwe; David, Kai; Graf, Jürgen |
Das beschriebene, kraftausgeglichene Ventil zur Steuerung von Fluiden besteht aus einem Gehäuse (1) mit Strömungskanälen, einem Ventileinsatzaufbau (5, 6), mindestens einem in dem Aufbau axial beweglichen Ventilschaft (7) mit einem Ventilkörper (8), einer ersten Ringnut (20) in dem Aufbau und einer der ersten Ringnut gegenüberliegenden zweiten Ringnut (21) in dem Ventilschaft (7) und aus einem flachen, sich in beide Ringnuten erstreckenden, elastischen Dichtungsring (19). Zur Sicherung der Ventilfunktion auch bei langsam ansteigendem Fluiddruck sind wenigstens der äußere (22) und der innere (23) Randbereich des flachen Dichtungsringes (19) in den betreffenden inneren Endbereichen der beiden Ringnuten spielfrei angeordnet. |
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| 159 | ABSPERRVENTIL | EP90906863.7 | 1990-05-14 | EP0473615B1 | 1993-08-04 | KRÄMER, Günter |
| A check valve comprises a housing (1) on which at least two connecting sleeves (2, 3) are provided, at least one valve seat (4) arranged in one of the connecting sleeves (3), and a valve body (6) which co-operates with the valve seat and wich can be externally actuated by a control element (7). The check valve is to be versatile, so that pressure can be applied to it on both sides for example. To this end, the valve seat (4) has at least two seating surfaces arranged on opposite sides of its narrowest cross-section (5), while the valve body (6) has at least two sealing surfaces which surround and co-operate with the seating surfaces of the valve seat (4). One sealing surface of the valve body (6) has a predetermined diameter which is greater than the narrowest cross-section (5) of the valve seat (4), while the second sealing surface is expandable; when unexpanded, its diameter is less than the narrowest cross-section (5) of the valve seat (4) and when expandedm its diameter is greater than the narrowest cross-section of the valve seat (4). | ||||||
| 160 | ABSPERRVENTIL | EP90906863.0 | 1990-05-14 | EP0473615A1 | 1992-03-11 | KRÄMER, Günter |
| Une soupape d'arrêt comprend un logement de soupape (1), au moins deux tubulures de raccordement (2, 3) agencées sur le logement de soupape (1), au moins un siège de soupape (4) agencé dans une des tubulures de raccordement (3) et un corps de soupape (6) qui coopère avec le siège de soupape et peut être actionné de l'extérieur au moyen d'un organe de commande (7). Cette soupape d'arrêt doit avoir des possibilités multiples d'utilisation, par exemple pouvoir recevoir de la pression des deux côtés. A cet effet, le siège de soupape (4) comprend au moins deux surfaces d'appui situées de part et d'autre de sa section transversale (5) la plus étroite, alors que le corps de soupape (6) est pourvu d'au moins deux surfaces d'étanchéité qui entourent les surfaces d'appui du siège de soupape (4) et coopèrent avec celles-ci. La première surface d'étanchéité du corps de soupape (6) présente un diamètre prédéterminé supérieur à la section transversale (5) la plus étroite du siège de soupape (4), alors que la deuxième surface d'étanchéité est expansible, son diamètre à l'état non expansé étant inférieur à la section transversale (5) la plus étroite du siège de soupape (4) et supérieur à ladite section dans son état expansé. | ||||||
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